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+Problem:
+Can't connect to github from ssh Linux Mint 21
+
+I have executed the following actions to connect to github
+
+`# create ssh key`
+`usu@serv:~$ ssh-keygen -t rsa -b 4096 -C usu@serv.xxx`
+
+`Your public key has been saved in /home/usu/.ssh/id_rsa.pub`
+`The key fingerprint is:`
+`SHA256:sssssssssssssssssssssssssssssssssssssssssss usu@serv.xxx`
+
+Next I have exported my public key to my github profile -> SSH keys / Authentication Keys
+
+`# Connect to github`
+`usu@serv:~$ ssh -vT git@github.com`
+
+`OpenSSH_8.9p1 Ubuntu-3ubuntu0.4, OpenSSL 3.0.2 15 Mar 2022`
+`debug1: Reading configuration data /etc/ssh/ssh_config`
+`debug1: /etc/ssh/ssh_config line 19: include /etc/ssh/ssh_config.d/*.conf matched no files`
+`debug1: /etc/ssh/ssh_config line 21: Applying options for *`
+`debug1: Connecting to github.com [140.82.121.3] port 22.`
+`debug1: connect to address 140.82.121.3 port 22: Connection timed out`
+`ssh: connect to host github.com port 22: Connection timed out`
+
+`# Verify connection with github`
+`usu@serv:~$ ping github.com`
+
+`PING github.com (140.82.121.3) 56(84) bytes of data.`
+`64 bytes from lb-140-82-121-3-fra.github.com (140.82.121.3): icmp_seq=1 ttl=53 time=35.9 ms`
+`64 bytes from lb-140-82-121-3-fra.github.com (140.82.121.3): icmp_seq=2 ttl=53 time=35.7 ms`
+`64 bytes from lb-140-82-121-3-fra.github.com (140.82.121.3): icmp_seq=3 ttl=53 time=35.2 ms`
+`64 bytes from lb-140-82-121-3-fra.github.com (140.82.121.3): icmp_seq=4 ttl=53 time=35.7 ms`
+`64 bytes from lb-140-82-121-3-fra.github.com (140.82.121.3): icmp_seq=5 ttl=53 time=35.8 ms`
+`64 bytes from lb-140-82-121-3-fra.github.com (140.82.121.3): icmp_seq=6 ttl=53 time=35.9 ms`
+`^C`
+`--- github.com ping statistics ---`
+`6 packets transmitted, 6 received, 0% packet loss, time 5029ms`
+`rtt min/avg/max/mdev = 35.225/35.704/35.904/0.224 ms`